52642873 has 4 divisors (see below), whose sum is σ = 52915828. Its totient is φ = 52369920.

The previous prime is 52642861. The next prime is 52642903. The reversal of 52642873 is 37824625.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11580409 + 41062464 = 3403^2 + 6408^2 .

It is a cyclic number.

It is not a de Polignac number, because 52642873 - 2²¹ = 50545721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52642813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136188 + ... + 136573.

It is an arithmetic number, because the mean of its divisors is an integer number (13228957).

Almost surely, 2^52642873 is an apocalyptic number.

It is an amenable number.

52642873 is a deficient number, since it is larger than the sum of its proper divisors (272955).

52642873 is a wasteful number, since it uses less digits than its factorization.

52642873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272954.

The product of its digits is 80640, while the sum is 37.

The square root of 52642873 is about 7255.5408482070. The cubic root of 52642873 is about 374.7829808017.

The spelling of 52642873 in words is "fifty-two million, six hundred forty-two thousand, eight hundred seventy-three".